Classification of the genus Echioceras
G. †Echioceras Bayle 1878
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†Echioceras carusense d'Orbigny 1844
†Echioceras delicatum Buckman 1914
†Echioceras intermedium Trueman and Williams 1925
†Echioceras microdiscus Quenstedt 1884
†Echioceras natrix von Schlotheim 1820
†Echioceras quenstedti Schafhautl 1847
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Invalid names: Ammonites raricostatus Zieten 1831 [synonym], Echioceras aeneum Trueman and Williams 1925 [synonym], Echioceras rhodanicum Buckman 1914 [synonym], Pleurechioceras typicum Buckman 1927 [synonym]
†Echioceras raricostatoides Vadasz 1908
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Invalid names: Echioceras fulgidum Trueman and Williams 1925 [synonym], Echioceras sparsicostatum Trueman and Williams 1925 [synonym]
Invalid names: Ophioceras Hyatt 1867 [replaced], Pleurechioceras Trueman and Williams 1925 [synonym]